ai-agent

proposal-temporal

Name: proposal-temporal
Author: tc39

Provides standard objects and functions for working with dates and times.

3,703 stars173 forksHTMLUpdated 7/27/2026100% free · open source

What it does

The proposal-temporal tool provides standard objects and functions for working with dates and times in JavaScript, making it easier to handle complex temporal operations.

When to use it

•When building a scheduling or calendar application that requires precise date and time handling
•When working with internationalized date and time formats
•When needing to perform complex temporal calculations, such as calculating time zones or daylight saving time

Ready-to-paste prompt

Create a new Temporal.PlainDateTime object and calculate the time in a specific time zone: const dateTime = Temporal.PlainDateTime.from('2022-07-25T14:30:00'); const timeZone = 'America/New_York'; const zonedDateTime = dateTime.toZonedDateTime(timeZone); console.log(zonedDateTime.toString());

Heads up: Note that proposal-temporal is a proposal for a new JavaScript feature and may not be fully supported in all browsers or environments; ensure you include the polyfill script to ensure compatibility

Saves to your device

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/proposal-temporal && curl -fsSL https://workflowstacks.com/api/skills/proposal-temporal/claude-skill -o ~/.claude/skills/proposal-temporal/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How proposal-temporal works

Codeflow

Free to inspect

Proposal-temporal is a medium HTML project (~15k lines across 72 code files, plus 63 test files). Expect some technical setup — comfortable with a terminal, or ask a developer. Last commit 2 months ago, Other license, has a test suite.

Size

Medium codebase

~15k lines · 72 code files · ~2 h to skim

Setup

Some technical setup

Comfortable with a terminal? 20–40 min. Otherwise ask a dev.

Runs on

Node.js

No API keys detected

HTML 54%JavaScript 46%

Where to start reading

1
README.md
Start here — what it does and how to install it
2
package.json
Dependencies and the commands it exposes

What's in each folder

docs/Documentation82 files

meetings/Folder140 files

polyfill/Folder135 files

spec/Tests — proof it works15 files

.github/CI / automation (GitHub Actions)6 files

READMEHas testsDocumentedCI checksOther licenseUpdated 2 mo ago

Use with Claude

New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install

Claude Code

mkdir -p ~/.claude/skills/proposal-temporal && curl -fsSL https://workflowstacks.com/api/skills/proposal-temporal/claude-skill -o ~/.claude/skills/proposal-temporal/SKILL.md

Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)

claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

Quick Actions

Details

Creator

tc39

Language

HTML